.container {
    width: 845px;
}

.navbar {
    margin: 0 0 20px 10px;
    width: 840px;
}

.navbar input {
    outline: none !important;
    background: #efefef;
}

.navbar button {
    background: #efefef;
    border: #b2b2b2 solid 1px;
    color: #b2b2b2;
}

.navbar .nav-item {
    font-size: 1.75em;
}

.navbar-brand {
    font-size: 3.25em;
}

/*磁铁容器*/
.tile-container {
    width: 845px;
    margin: 5px auto;
    display: flex;
    flex-direction: row;
    transform-style: preserve-3d;
    perspective: 1600px;
}

/*磁贴列*/
.tile-column {
    flex-direction: column;
    margin-left: 5px;
    width: 420px;
}

.tile {
    float: left;
    background-color: deepskyblue;
    margin: 5px 0 0 5px;
    position: relative;
}


.tile:hover .tile-bg {
    filter: contrast(120%) brightness(150%);
}

.tile:hover .tile-content {
    filter: brightness(150%) opacity(100%);
    box-shadow: 1px 1px 2px white;
}

.tile-content {
    filter: opacity(80%);
    width: 100%;
    height: 100%;
    position: absolute;
}

.tile-bg {
    position: absolute;
    width: 100%;
    height: 100%;
}

/*暗的背景*/
.tile-bg-dim {
    filter: brightness(50%);
}

/*小磁贴*/
.tile-sm {
    width: 100px;
    height: 100px;
    color: white;
    font-size: 40px;
    font-weight: 600;
    text-align: center;
    line-height: 100px;
}

/*中磁贴*/
.tile-md {
    width: 205px;
    height: 205px;
}

/*宽磁贴*/
.tile-wd {
    width: 415px;
    height: 205px;
}

/*大磁贴*/
.tile-lg {
    width: 415px;
    height: 415px;
}

#go-more {
    margin: 20px 0 20px 0;
    width: 100%;
    text-align: right;
    animation: go-more 3s linear infinite;
}

#go-more a {
    color: black;
    text-decoration: none;
    font-size: 2em;
}

#go-more a:hover {
    font-weight: 700;
}